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I have a drz 400sm 2007 stock. I live at 100 500 feet above sea level. I purchased the jd jet kit,ktec FS,and k&n filter I did the 3x3 mod cut out spark arrestor and bored end cap to 1 1/2 in. my exhaust is stock besides that mod. My carb is stock mukiniu bsr36 i think. here is what i gathered BLUE NEEDLE C CLIP 4 CLICKS DOWN. 160 MAIN. 22.5 PILOT STOCK. KTEC FS 2 3/4 TURNS OUT Is this right let me know.

Edited by krisdrz400sm

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JD kit has what you need. get the extended FS. Jet with blue needled 160 main and 22.5 (stock) with extended FS or 25 without it...

Do a search you will find 1000's of jetting threads.

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how many clicks down on the needle do you put the c clip.

It says in the the JD kit instructions but I think its the 4th one. I may have that confused with the Dyno Jet kit. I can't remember.

Get the kit for you bike and the FS. The kit has good instructions and everything you need.

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